LV57331TT Datasheet, PDF (1/4 Pages) Sanyo Semicon Device – 1ch Step-up Switching Regulator (Variable Type)

Ordering number : ENA1660A
LV57331TT
Monolithic Linear IC
1ch Step-up
Switching Regulator (Variable Type)
Overview
The LV57331TT is a one-channel step-up switching regulator.
Features
• Switch current limit : 1.0A
• Internal switch ON resistance : 0.16Ω
• The frequency can be switched.
• Overheat protection
• UVP
• Shutdown circuit incorporated
• Soft start circuit incorporated
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Power-supply voltage
SW pin voltage *1
VIN max
SW
6.5
V
18
V
Input pin
Allowable power dissipation
VIN
Pd max
FB, VC, SHDNB, FSLCT, SS
Mounted on a specified board *2
6.5
V
0.7
W
The maximum junction temperature
Tjmax
125
°C
Operating temperature
Topr
-40 to +85
°C
Storage temperature
Tstg
-55 to +150
°C
*1: Please the coil is not connected and do not exceed the terminal SW even the overshoot inclusion when the switching is done and momentarily.
*2: Specified board: 60.0mm × 60.0mm × 1.6mm, glass epoxy board of 2-layer.
Recommended Operating Conditions at Ta = 25°C, GND=0V
Parameter
Power-supply voltage
Maximum output voltage
Symbol
VIN
VOUT max
Conditions
Ratings
Unit
2.6 to 5.5
V
15
V
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
60111 SY/30310 SY 20100203-S00004 No.A1660-1/4